184 citations · 760 across the 37 of their papers we have counts for
37 papers
Frequency-Multiplexed Parallel Gates for Quantum LDPC Codes in a Two-Dimensional Ion Crystal
G. -X. Tang, L. -M. Duan, Y. -K. Wu
Quantum low-density parity-check (qLDPC) codes admit high encoding rates but require nonlocal entangling gates for syndrome measurement. Instead of physically moving the qubits whi…
Observation of Non-Gaussian Magnon Dynamics in a Two-Dimensional Long-Range XY Model
S. -A. Guo, J. -Y. Tan, J. Ye +11
Non-Gaussian evolution of high-order spin correlations characterizes important properties of quantum many-body systems. In practice, decoherence, statistical fluctuation and miscal…
Long-time storage of entangled logical states in decoherence-free subspaces
L. Zhang, Y. -L. Xu, Y. -K. Wu +11
The maintenance of quantum entanglement lays the elementary building block of quantum information processing, requiring an integration of long coherence time, sufficient storage ca…
Quantum simulation of thermalization dynamics of a nonuniform Dicke model
S. -A. Guo, J. Ye, J. -Y. Tan +11
Previous experimental realizations of Dicke model in atomic or ionic systems are based on global observables assuming uniform spin-boson coupling, while inevitable experimental non…
Photonuclear Cross Sections for the Au(,pn)Pt Reaction Near Threshold
J. Song, J. Nolen, D. Rotsch +10
Platinum radioisotopes are of growing interest for targeted cancer therapy and diagnostic imaging because their decay delivers highly localized radiation doses in tissue, herewith…
Hardware-Economic Manipulation of Dual-Type Yb Qubits
Y. -J. Yi, Y. -Y. Chen, Y. -H. Hou +10
The dual-type qubit scheme is an emerging method to suppress crosstalk errors in scalable trapped-ion quantum computation and quantum network. Here we report a hardware-economic wa…
Stretched Exponential Scaling of Parity-Restricted Energy Gaps in a Random Transverse-Field Ising Model
G. -X. Tang, J. -Z. Zhuang, L. -M. Duan +1
The success of a quantum annealing algorithm requires a polynomial scaling of the energy gap. Recently it was shown that a two-dimensional transverse-field Ising model on a square…
Multiplexed ion-ion entanglement over kilometer fibers
Z. B. Cui, Z. Q. Wang, P. Y. Liu +14
Quantum networks and quantum repeaters represent the promising avenues for building large-scale quantum information systems, serving as foundational infrastructure for distributed…
A metropolitan-scale trapped-ion quantum network node with hybrid multiplexing enhancements
Z. -B. Cui, Z. -Q. Wang, P. -C. Lai +13
Quantum network and quantum repeater are promising ways to scale up a quantum information system to enable various applications with unprecedented performance. As a current bottlen…
Quantum tomography of a third-order exceptional point in a dissipative trapped ion
Y. -Y. Chen, K. Li, L. Zhang +9
The requirement for Hermiticity in quantum mechanics ensures the reality of energies, while the parity-time symmetry offers an alternative route to achieve this goal. Interestingly…
Hardware-efficient variational quantum algorithm in trapped-ion quantum computer
J. -Z. Zhuang, Y. -K. Wu, L. -M. Duan
We study a hardware-efficient variational quantum algorithm ansatz tailored for the trapped-ion quantum simulator, HEA-TI. We leverage programmable single-qubit rotations and globa…
Individually Addressed Entangling Gates in a Two-Dimensional Ion Crystal
Y. -H. Hou, Y. -J. Yi, Y. -K. Wu +14
Two-dimensional (2D) ion crystals have become a promising way to scale up qubit numbers for ion trap quantum information processing. However, to realize universal quantum computing…
Realization of a crosstalk-free two-ion node for long-distance quantum networking
P. -C. Lai, Y. Wang, J. -X. Shi +14
Trapped atomic ions constitute one of the leading physical platforms for building the quantum repeater nodes to realize large-scale quantum networks. In a long-distance trapped-ion…
Simulating the spin-boson model with a controllable reservoir in an ion trap
G. -X. Wang, Y. -K. Wu, R. Yao +11
The spin-boson model is a prototypical model for open quantum dynamics. Here we simulate the spin-boson model using a chain of trapped ions where a spin is coupled to a structured…
Photo-nuclear cross sections on Au, an update on the gold standard
J. Song, D. Rotsch, J. A. Nolen +9
A method was developed for measuring photonuclear reactions concurrently at several discrete photon beam energies on a stack of different target materials via a single irradiation.…
A Site-Resolved 2D Quantum Simulator with Hundreds of Trapped Ions
S. -A. Guo, Y. -K. Wu, J. Ye +16
A large qubit capacity and an individual readout capability are two crucial requirements for large-scale quantum computing and simulation. As one of the leading physical platforms…
Realization of a crosstalk-avoided quantum network node with dual-type qubits by the same ion species
L. Feng, Y. -Y Huang, Y. -K. Wu +12
Generating ion-photon entanglement is a crucial step for scalable trapped-ion quantum networks. To avoid the crosstalk on memory qubits carrying quantum information, it is common t…
Dynamical phase transitions of information flow in random quantum circuits
J. -Z. Zhuang, Y. -K. Wu, L. -M. Duan
We study how the information flows in many-body dynamics governed by random quantum circuits and discover a rich set of dynamical phase transitions in this information flow. The ph…
Experimental realization of a 218-ion multi-qubit quantum memory
R. Yao, W. -Q. Lian, Y. -K. Wu +8
Storage lifetime and capacity are two important factors to characterize the performance of a quantum memory. Here we report the stable trapping of above 200 ions in a cryogenic set…
Probing critical behavior of long-range transverse-field Ising model through quantum Kibble-Zurek mechanism
B. -W. Li, Y. -K. Wu, Q. -X. Mei +9
The trapped ion quantum simulator has demonstrated qualitative properties of different physical models for up to tens of ions. In particular, a linear ion chain naturally hosts lon…
Observation of Non-Markovian Spin Dynamics in a Jaynes-Cummings-Hubbard Model using a Trapped-Ion Quantum Simulator
B. -W. Li, Q. -X. Mei, Y. -K. Wu +5
Jaynes-Cummings-Hubbard (JCH) model is a fundamental many-body model for light-matter interaction. As a leading platform for quantum simulation, the trapped ion system has realized…
Observation of Supersymmetry and its Spontaneous Breaking in a Trapped Ion Quantum Simulator
M. -L. Cai, Y. -K. Wu, Q. -X. Mei +6
Supersymmetry (SUSY) helps solve the hierarchy problem in high-energy physics and provides a natural groundwork for unifying gravity with other fundamental interactions. While bein…
Quantum Simulation of the Two-Dimensional Weyl Equation in a Magnetic Field
Y. Jiang, M. -L. Cai, Y. -K. Wu +7
Quantum simulation of 1D relativistic quantum mechanics has been achieved in well-controlled systems like trapped ions, but properties like spin dynamics and response to external m…
Proton Compton Scattering from Linearly Polarized Gamma Rays
X. Li, M. W. Ahmed, A. Banu +27
Differential cross sections for Compton scattering from the proton have been measured at scattering angles of , , and in the laboratory frame using…